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Climate in Houston · Met Office 1991–2020 averages

Few UK towns get more rain than Houston: 1,524 mm (60 in) a year

Midwinter brings lows of about 1.3°C (34°F). Summers stay cool: July afternoons here are cooler than in 85% of UK towns. Temperatures cover 18°C across the year, low to high. Long walks are most pleasant from June to August, when afternoons reach 18–19°C.

July afternoons: cooler than 85% of UK towns
January nights: colder than 81% of UK towns
Rain a year: wetter than 96% of UK towns

Met Office 1991–2020 averages for the town itself.

A year in Houston at a glance

Each month’s typical high and low, in °C.

Jan7°C1°C
Feb8°C1°C
Mar10°C2°C
Apr12°C4°C
May15°C6°C
Jun18°C9°C
Jul19°C11°CWarmest
Aug19°C11°C
Sep17°C9°C
Oct13°C6°C
Nov now9°C3°C
Dec7°C1°CColdest nightsWettest
A normal year

What a year in Houston feels like

Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.

Winter
7°C / 1°C
45°F / 34°F · 500 mm of rain, the wettest season
Spring
12°C / 4°C
54°F / 40°F · 283 mm of rain
Summer
19°C / 11°C
66°F / 51°F · 4 days of 25°C+ a year
Autumn
13°C / 6°C
55°F / 43°F · 448 mm of rain
Best months to be outsideJunJulAugHighs of 17–27°C (63–81°F) and nights of 8°C (46°F) or more
Rain

About 1,524 mm of rain a year

December is the wettest month and May the driest. About 51 days a year bring 10 mm (0.4 in) or more. 3rd wettest of 11 Renfrewshire towns of 2,500+.

1,524 mm
Rain a year (60 in)
Wetter than 96% of UK towns
51
Days a year with 10 mm of rain or more
1,282 hrs
Sunshine a year at Paisley
4.2 miles away

Rain by month

Millimetres

183 mm
JFMAMJJASOND

Sunshine by month

Hours of bright sunshine at Paisley

184 h
JFMAMJJASOND
Frost & warm days

48 air frosts and 4 days of 25°C a year

On about 48 nights a year the air drops below freezing, and on about 1 days it stays below freezing all day. About 4 days a year reach 25°C (77°F).

48
Air frosts a year (below 0°C)
More frosts than 78% of UK towns
1
Days that stay below 0°C
4
Days of 25°C (77°F) or more
Fewer warm days than 83% of UK towns

Day counts are 1991–2020 averages from the Met Office’s 2 km grid. The Met Office calls a day of 25°C or more a summer day and a night below 0°C an air frost; ground frosts, on grass, come more often.

Weather station

The Met Office station at Paisley

Paisley is 4.2 miles east of Houston, 32 m (105 ft) above sea level. It is the nearest of the 37 long-running stations the Met Office publishes in full.

MonthHighLowRainAir frostsSun (hours)
January7.1°C1.9°C147 mm8.539
February7.8°C2.1°C111 mm7.369
March9.9°C3.2°C100 mm4.3103
April12.9°C5.1°C72 mm0.9133
May16.1°C7.4°C63 mm0.1184
June18.3°C10.2°C67 mm0.0161
July19.7°C12.1°C76 mm0.0149
August19.5°C11.9°C90 mm0.0151
September16.7°C9.9°C99 mm0.0116
October12.9°C6.8°C134 mm0.989
November9.6°C4.3°C133 mm3.654
December6.8°C1.5°C136 mm9.736
Year13.1°C6.4°C1,229 mm351,282

Met Office historic station data, Paisley, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Campbell-Stokes recorder.

Compared with other towns

How Houston compares

Against the 2,537 towns and cities of 2,500 or more across the UK, each with its own Met Office averages, and its place among Renfrewshire towns that size.

July afternoons19.4°C (67°F)
Cooler than 85% of UK towns4th warmest of 11 Renfrewshire towns
January nights1.3°C (34°F)
Colder than 81% of UK towns6th mildest of 11 Renfrewshire towns
Rain a year1,524 mm (60 in)
Wetter than 96% of UK towns3rd wettest of 11 Renfrewshire towns
Air frosts a year48 nights
More frosts than 78% of UK towns6th frostiest of 11 Renfrewshire towns
Days of 25°C or more4 days
Fewer warm days than 83% of UK towns5th most 25°C days of 11 Renfrewshire towns
Next door

Nearby towns’ climate

The nearest towns of 1,000+ within 12 miles: a hill, a valley or the sea can make a real difference over a few miles.

TownJuly highJanuary lowRain a year
Houston19.4°C1.3°C1,524 mm
Linwood 1.5 mi19.4°C about the same1.4°C about the same1,511 mm
Bridge of Weir 1.7 mi19.3°C about the same1.4°C about the same1,540 mm
Kilbarchan 2.0 mi19.4°C about the same1.2°C about the same1,523 mm
Johnstone 2.3 mi19.3°C about the same1.3°C about the same1,509 mm
Elderslie 2.8 mi20.1°C 0.7°C warmer1.3°C about the same1,267 mm
Bishopton 3.1 mi19.2°C about the same1.4°C about the same1,360 mm
Month by month

Houston weather by month

Average daily high and low, mean temperature and rain, 1991–2020, for the town itself (the Met Office’s HadUK-Grid).

MonthHighLowMeanRain
January7.0°C 45°F1.3°C 34°F4.2°C171 mm 6.7 in
February7.7°C 46°F1.4°C 34°F4.5°C147 mm 5.8 in
March9.5°C 49°F2.5°C 36°F6.0°C124 mm 4.9 in
April12.4°C 54°F4.2°C 39°F8.3°C81 mm 3.2 in
May15.5°C 60°F6.4°C 44°F10.9°C79 mm 3.1 in
June17.8°C 64°F9.4°C 49°F13.6°C81 mm 3.2 in
July19.4°C 67°F11.2°C 52°F15.3°C95 mm 3.7 in
August19.0°C 66°F10.9°C 52°F14.9°C116 mm 4.5 in
September16.6°C 62°F9.1°C 48°F12.8°C120 mm 4.7 in
October12.9°C 55°F6.1°C 43°F9.5°C168 mm 6.6 in
November9.5°C 49°F3.3°C 38°F6.4°C159 mm 6.3 in
December7.2°C 45°F1.2°C 34°F4.2°C183 mm 7.2 in
Year12.9°C5.6°C9.2°C1,524 mm
Sources

Where Houston’s numbers come from

Averages over 30 years, not a forecast.

  • Mean temperature, rain and day counts: HadUK-Grid 1991–2020 averages for the 1 Met Office 2 km grid square whose centre lies inside Houston’s locality.
  • Highs and lows: the Met Office publishes average daily maxima and minima on its 12 km grid; each is moved by the difference between the town’s 2 km mean temperature and the 12 km square’s, which carries the town’s own height and setting over.
  • Weather station and sunshine: Met Office historic station data for Paisley, 4.2 miles away, months of 1991–2020 averaged.
  • Comparisons: every town and city of 2,500 or more across the UK, all four nations, read the same way.

Met Office HadUK-Grid · Met Office Climate Data Portal · Historic station data. Open Government Licence v3.0.

Questions about Houston’s climate

How warm does Houston get in summer?

July is the warmest month, with average highs of 19.4°C (67°F). About 4 days a year reach 25°C (77°F), fewer than 83% of UK towns.

How cold does Houston get in winter?

December nights average 1.2°C (34°F). The air drops below freezing on about 48 nights a year, and about 1 days a year stay below freezing all day.

How much rain does Houston get?

About 1,524 mm (60 in) a year, more than 96% of UK towns. December is the wettest month (183 mm) and May the driest (79 mm).

How sunny is it?

The nearest Met Office station with a sunshine record, Paisley (4.2 miles away), averages 1,282 hours of bright sunshine a year. Sunshine isn’t on the town grid, so this is the station’s figure.

Where do these figures come from?

The Met Office’s HadUK-Grid 1991–2020 averages, which turn thousands of weather stations into a map of the UK in 2 km squares; the page reads the squares inside Houston. They are 30-year averages, not a forecast.

Contains Met Office data © Crown copyright 2026, Open Government Licence v3.0. HadUK-Grid 1991–2020 averages via the Met Office Climate Data Portal; station averages from Met Office historic station data. Today’s forecast for Houston →

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.